AIChE | The Global Home of Chemical Engineers

Stay Ahead of Time

October
2003
Career Catalyst
Judi  Hampton
These tips will help you develop time management and delegation skills to make you more efficient and more effective in your job.

Collect and Destroy Emissions Safely

May
2004
Environmental Management
Tony Ennis
Vent collection and destruction systems are complex, and their safety depends on the proper integration of the discrete elements. This article provides guidance on how to achieve that.

Launching a Website for Your Small Business

November
2004
Career Catalyst
Cynthia F. Mascone, Joseph A. Roseti
Here’s how to develop a successful Internet presence without the dedicated web staff and financial resources of a large corporation.

Modeling Accidental Releases

November
2005
Environmental Management
Weiping Dai
This article compares several common dispersion models available in the public domain and offers guidance on selecting the appropriate one for a particular release.

Optimizing the Asset Management of Pumps

May
2006
Asset Management
Mark Granger, Deane Horn
Integrating new advances in smart online pump monitoring and flexible communication technologies can improve pump reliability and performance while reducingcosts.

Improve Catalytic Oxidizer Operation

January
2007
Environmental Management
John C. Bonacci
A catalyst guard bed is a simple, low-cost modification that reduces catalyst-replacement costs, saves natural gas and cuts energy expenses.

Avoid Common Pitfalls When Using Henry's Law

September
2007
Environmental Management
Allan H. Harvey, Francis L. Smith
Here is practical guidance on the use of Henry's law in engineering calculations and how to account for the temperature dependence of the Henry's constant— which is often ignored but which can be crucial for accurate process design.

Evaluating the Risks and Rewards of an Expatriate Assignment

March
2010
Career Catalyst
Lisa L. Walker
The global chemical industry is showing particularly strong growth outside North America. Understanding where opportunities exist — and which are worth taking — can help you decide whether it is time to take your career, and your life, on the road.

Choose the Right Electric Motors for Hazardous Locations

November
2011
Back To Basics
Uriah Van Amerom
Risks associated with operating an electric motor in hazardous areas range from production downtime to injury and death. Learn how to assess the operating environment and select the appropriate motor.

Inhibiting and Monitoring Corrosion

March
2012
Heat Transfer
Gary Geiger, Mel J. Esmacher, P.E.
Understand corrosion and ways to control it, and implement these monitoring techniques to improve cooling water system efficiency and reliability and reduce energy consumption.

Analyzing APC Performance

August
2002
Instrumentation
To reap the most benefit from an advanced process control (APC) system, users need to know how to analyze and monitor the APC's performance.

Integrating Single-Use Filtration Systems

January
2003
Special Section
Holly Haughney
Disposable filtration systems are gaiing popularity in the pharmaceutical arena. This article defines the equipment, specifications, applications and potential advantages of single-use filters and ancillary equipment.

Achieve Best-in-Class Reliability

June
2003
Asset Management
Richard  Beck
An integrated enterprise asset performance management system can help companies to eliminate failures, optimize strategies, and meet intended production targets.

Dynamic Capacity Modeling of Product Development

July
2004
Information Technology
Prashant B. Kokitkar, Brian E. Hartman, Jospeh S. Alford Jr.
Avoid large work queues by proactively anticipating the resource needs of your company using dynamic capacity models.

Adopt Integrated Product Teams for Process Development

July
2005
Management
Jeffrey Mueller, Larry Scotchie, Kelly Seheult
The cross-functional IPT approach can be combined with a stage-gate framework and six sigma techniques to improve the effectiveness of process development efforts.

Team Up with a Consultant for Process Equipment Selection

August
2006
Career Catalyst
Gregory T. Benz
Engineers who specify, scale up or purchase process equipment typically have fewer internal or vendor resources available than in the past. This article explores the problem and offers a solution.

Taming Intrapersonal Pirates of Performance

December
2008
Career Catalyst
Saidas M. Ranade
Don’t let preconceived notions, preoccupation, and poor perception plunder your progress. These exercises will show you how to scuttle these scallywags, and make teamwork smooth sailing.

Climate Change - What Does the Research Mean?

June
2009
Critical Issues
Michael J. Economides, Xina Xie
Claims within the science community about whether and how global warming is affecting hurricane intensity and frequency, the ice field of Mount Kilimanjaro, and the polar ice masses are inconsistent and warrant further investigation before any...

Evaluating Supply Chain Sustainability

May
2010
Environmental Management
Joseph Fiksel
Lifecycle analysis (LCA) techniques can be used to quantify the environmental performance of a product, process, or service. This article describes several LCA methods and their application to supply chains.

Getting Started in Social Media

January
2012
Career Catalyst
Loraine Kasprzak
Engineers can derive professional benefits from Facebook, LinkedIn, Google+, Twitter, and other social media. Here is some practical advice on using these tools effectively, whether you are a veteran or a relative novice.

Now Hear This

May
2001
Career Catalyst
Robert W. Bly
Understand the listening process and follow these guidelines to become a better listener.

Increasing Employee Productivity

September
2001
Management
Charles  Gillard
Maximize workplace efficiency via implementation of best practices using workflow modeling and automation.

Tune Control Loops for Minimum Variability

January
2002
Instrumentation
Lanny A. Robbins
The Robbins tuning rules can reduce the variability of control loop response to about 60% of that observed with Ziegler-Nichols tuning rules.

Relocating Research Operations

May
2002
Management
Richard P. Palluzi
Such projects require enormous planning, experienced staff, and substantial time and money to complete.

Don't Get Burned Picking Dry-Type Flame Arresters

October
2002
Fluids and Solids Handling
Stanley G. Grossel
These commonly used devices rely on an internal medium to extinguish flame fronts and take the punch out of shock waves, protecting piping, equipment and personnel. Selecting such equipment involves considering the probable type of combustion,...

Develop an Effective Crisis Management Strategy

September
2003
Management
Steve Wilson
A thorough crisis-management plan will enable your organization to respond to a crisis promptly and appropriately. Here's how to develop an effective plan.

How To Be An Expert Witness

October
2004
Career Catalyst
Peter R. Lantos
Here’s what you should know about the litigation process to serve as a successful technical witness.

A Strategy for Excellence in Process Development

October
2008
Process Development
Vaibhav V. Kelkar, Lionel O'Young
Here is how to integrate overall process development activities and identify practices that facilitate commercial process development.

Audit Your Emissions Inventory

January
2010
Environmental Management
Jeffrey H. Siegell
Some emissions reports include data that are based on faulty assumptions and methodologies. This article presents an effective approach to auditing your emissions inventory to maximize the representativeness of the reports you submit. <br>

Correlate Data Effectively

February
2011
Computational Methods
Faruk Civan
Follow these nine simple rules to avoid common pitfalls and get better results.

The Flange Factor in Gasket Selection

September
2011
Fluids and Solids Handling
Dave Burgess, John Crandall
Gaskets should be chosen based on service conditions, as well as the type of flanges to be sealed. These principles will help to guide the selection.

Choose Materials for High-Temperature Environments

February
2001
Materials
Peter  Elliott
High temperatures, stresses, and the presence of elements such as oxygen, sulfur, or the halogens can add up to trouble. Here is how to screen candidate alloys for such service.

Validate Your Engineering Software!

July
2001
Instrumentation
Michael  Tanzio
You really can't guarantee that applications work correctly unless you take specific steps to validate the software.

Applying Six Sigma

July
2002
Management
Yogesh B. Trivedi
By implementing Six Sigma at its ethylene unit, Sasol has been able to recover as much as 65% of the opportunities that could have been lost.

Matching Your Process Constraints Using Dynamic Simulation

December
2003
Information Technology
Iban Grau, Jose J. Macias-Hernandez, Miquel A. Alos
A rigorous dynamic process simulator can be used to evaluate alternative control strategies for an exothermic reacting process in order to improve its safety and product quality.

Forging Career Security

December
2005
Career Catalyst
David Madison
Eight things to do when you’re not job hunting.

Streamlining the Validation Process

March
2007
Management
Tim Flanigan, Robert Mackey
Today, validation is no longer an afterthought for the design and construction of a new or renovated process or facility. It is, in fact, recognized as an integral part of the total project. Fully integrated services are now available to ensure a...

Avoid Problems in Process Water Systems

October
2007
Heat Transfer
Marilyn W. Blaschke, Roger D. Metzler
Prevent corrosion, emulsification and fouling by implementing these operational and chemical measures.

Working with Job Search Consultants and Recruiters

October
2009
Career Catalyst
Lisa L. Walker
Search firms and executive recruiters can be powerful allies in a competitive employment environment.This article puts their role in context and provides guidelines on how to work effectively with them.

Designing Four-Pass Trays

April
2010
Back To Basics
Daniel R. Summers
Use this procedure to design four-pass distillation column trays and to balance the vapor/liquid ratio on each tray panel.

Understand the Fundamentals of Centrifugal Pumps

October
2010
Back To Basics
J. Howard Kelly, P.E.
Efficient and reliable pumps can significantly improve a plant’s bottom line. This article reviews important concepts that a chemical engineer must understand and the factors that need to be considered when selecting radial-flow centrifugal pumps.

Learn to Effectively Operate and Maintain Pumps

December
2011
Back To Basics
Daniel Kernan
Centrifugal pumps play a central role in chemical processing. Proper pump operation and maintenance can improve a facility's productivity, reduce downtime, and trim costs.

Biobutanol – A Replacement for Bioethanol?

August
2008
SBE Special Section
Ron Cascone
Ethanol, the leading incumbant biofuel, has several limitations.Butanol overcomes many of these, and holds promise as the next important transportation biofuel.

Hydrogen: Liability or Asset?

September
2002
Reactions and Separations
Dennis Vauk, Ian Moore, Nick  Hallale
In a petroleum refinery, viewing hydrogen as an asset rather than a liability can lead to increased profits. The key is in the mindset. A typical investor uses money to make money. This article shows you how to use hydrogen to make money.

Screw Feeders: A Guide to Selection and Use

February
2003
Fluids and Solids Handling
Hermann J. Feise, Steven W. Couch, Thomas L. Krieger, Timothy Bell
Gain insight as to what screw feeder is best for your application. Plus, learn how to size, specify and test screw feeders.

Production Modeling for Multimodal Operations

February
2004
Information Technology
Jeffrey D. Kelly
Two new views for production modeling are introduced - production flow networks and production flow maps - that focus on unit operations and feedstocks, respectively.

Designing Experiments for the Modern Micro Industries

February
2006
Computational Methods
Phillip H. Williams
Although the sparsity of effects principle is still good advice, we need to be careful of emphasizing it too much -- to the point that it becomes an assumed practice, rather than a useful rule of thumb.

Retrofit Water Systems the SHARPS Way

November
2006
Environmental Management
Sharifah Rafidah Wan Alwi, Zainuddin A. Manan, Norrazi Misran, Mohd Hisham Samingin
Use the Systematic Hierarchical Approach for Resilient Process Screening (SHARPS) technique to quickly and systematically isolate cost-effective and affordable water management options prior to design.

Predesign for Pollution Prevention and Control

June
2007
Environmental Management
Gael D. Ulrich, Palligarnai T. Vasudevan
A plant's intrinsic cleanliness is determined during the predesign stage. This article provides guidance for making critical decisions during preliminary design.

Solving Phase Equilibrium Problems

September
2008
Reactions and Separations
Terrence L. Chambers, James R. Reinhardt
Use this optimization-based approach to analyze multi-component, multi-phase Equilibria.

Making the Team: Teams, Teamwork, and Teambuilding

June
2010
Career Catalyst
Eldon R. Larsen
A project team is more than a group of talented professionals. It is an interdependent unit, empowered with understanding, accountabilities and mutual support that permit it to achieve goals — both organizational and personal — more efficiently and...

Computational Science: Enabling Technology Development

January
2011
On The Horizon
Anthony Cugini, Wei Ge, Chris Guenther, Jinghai Li, Madhava Syamlal, Wei Wang, Ning Yang
Computational science will play a key role in accelerating technology development and in the realization of virtual process engineering.

CEP: Update

April
2012
News Update
What We Talk About When We Talk About Carbon Management; New Nanoglue Sticks to Everything; Flash Forward: Light Turns Nanowires into Flexible Web; Fischer-Tropsch Catalyst Converts Biomass into Light Olefins; Old Zeolite Finds New Role in CO2...

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